Ackman’s Pershing Square loses ADP challenge: sources

(Reuters) - William Ackman's activist hedge fund Pershing Square lost its bid on Tuesday to win seats on the board of Automatic Data Processing Inc , according to sources that have seen a preliminary shareholder voting tally.

(Reuters) - William Ackman's activist hedge fund Pershing Square lost its bid on Tuesday to win seats on the board of Automatic Data Processing Inc , according to sources that have seen a preliminary shareholder voting tally.